1. https://reports.njrcentre.org.uk/Portals/0/PDFdownloads/NJR%2018th%20Annual%20Report%202021.pdf
2. https://aoanjrr.sahmri.com/documents/10180/712282/Hip%2C+Knee+%26+Shoulder+Arthroplasty/bb011aed-ca6c-2c5e-f1e1-39b4150bc693
3. https://www.nzoa.org.nz/sites/default/files/NZJR_22_Year_Report_Final.pdf
4. https://connect.ajrr.net/hubfs/PDFs%20and%20PPTs/AJRR%202021%20Annual%20Report.pdf?hsCtaTracking=5d4716a7-fade-455e-a961-c13f715c1a72%7Cdc53c91e-d26e-49a0-ab86-0f3a6d4ec561
5. https://www.cihi.ca/sites/default/files/document/cjrr-full-annual-report-2019-2020-en.pdf